Developments in low-cost laser detection: wide field of view implementation and direction determination

Marie Zandi; David M. Benton; Kate Sugden; David H. Titterton; Robert J. Grasso; Mark A. Richardson

doi:10.1117/12.2532560

Developments in low-cost laser detection: wide field of view implementation and direction determination

Marie Zandi, David M. Benton, Kate Sugden, David H. Titterton, Robert J. Grasso, Mark A. Richardson

Research output: Contribution to journal › Conference article

Abstract

The availability of low cost but relatively high power laser pointers (hundreds of mW) has led to misuse with potentially dangerous consequences, such as dazzling aircraft which has raised concerns about aircraft safety. A low cost laser detection system based on coherence detection has been developed and is able to detect weak, continuous laser sources even against bright background light. In this paper, we introduce the use of a cone mirror to extend the horizontal field of view of the detector (originally at 3°) to 360° to detect incoming beams from different directions. With the additional use of a camera in the system, we also determine the direction of the incoming laser beam. Finally, the sensitivity between the original system and the cone mirror system are compared: the new system showed promising results with a sensitivity below 100nW.

Original language	English
Article number	111610H
Journal	Proceedings of SPIE - International Society for Optical Engineering
Volume	11161
DOIs	https://doi.org/10.1117/12.2532560
Publication status	Published - 7 Oct 2019
Event	Technologies for Optical Countermeasures XVI - Strasbourg, France Duration: 9 Sep 2019 → 12 Sep 2019

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Bibliographical note

Copyright 2019 SPIE. One print or electronic copy may be made for personal use only. Systematic reproduction, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.

Keywords

Coherence discrimination
Cone mirror
Field of view
Laser direction
Laser warning systems

Cite this

Zandi, M., Benton, D. M., Sugden, K., Titterton, D. H., Grasso, R. J., & Richardson, M. A. (2019). Developments in low-cost laser detection: wide field of view implementation and direction determination. Proceedings of SPIE - International Society for Optical Engineering, 11161, [111610H]. https://doi.org/10.1117/12.2532560

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abstract = "The availability of low cost but relatively high power laser pointers (hundreds of mW) has led to misuse with potentially dangerous consequences, such as dazzling aircraft which has raised concerns about aircraft safety. A low cost laser detection system based on coherence detection has been developed and is able to detect weak, continuous laser sources even against bright background light. In this paper, we introduce the use of a cone mirror to extend the horizontal field of view of the detector (originally at 3°) to 360° to detect incoming beams from different directions. With the additional use of a camera in the system, we also determine the direction of the incoming laser beam. Finally, the sensitivity between the original system and the cone mirror system are compared: the new system showed promising results with a sensitivity below 100nW.",

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Developments in low-cost laser detection: wide field of view implementation and direction determination. / Zandi, Marie; Benton, David M.; Sugden, Kate; Titterton, David H.; Grasso, Robert J.; Richardson, Mark A.

In: Proceedings of SPIE - International Society for Optical Engineering, Vol. 11161, 111610H, 07.10.2019.

Research output: Contribution to journal › Conference article

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AU - Grasso, Robert J.

AU - Richardson, Mark A.

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N2 - The availability of low cost but relatively high power laser pointers (hundreds of mW) has led to misuse with potentially dangerous consequences, such as dazzling aircraft which has raised concerns about aircraft safety. A low cost laser detection system based on coherence detection has been developed and is able to detect weak, continuous laser sources even against bright background light. In this paper, we introduce the use of a cone mirror to extend the horizontal field of view of the detector (originally at 3°) to 360° to detect incoming beams from different directions. With the additional use of a camera in the system, we also determine the direction of the incoming laser beam. Finally, the sensitivity between the original system and the cone mirror system are compared: the new system showed promising results with a sensitivity below 100nW.

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Access to Document

10.1117/12.2532560

Developments in low-cost laser detection
Copyright 2019 SPIE. One print or electronic copy may be made for personal use only. Systematic reproduction, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.
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